824 



INDEX 



Pine, Slash, IS, 



Pine, Southern, 17. 



Pine, Spruce, "JS, 31, 



Pine, Sugar, 5. 



Pine, Swamp, 18. 



Pine, Table Mountain, 33. 



Pine, Torrey's, 34. 



Pine, Wliite, 4, 5, f), 8. 



Pine, i'ellow, 14, 15, 20, 



Piuon, 10, 11, 12. 



Pin us, 2. 



Pinus albicaulis, 8. 



Piuus aristata, 9. 



Pinus Arizonica, 14, 



Pinus iitteniiata, 22. 



Pinus P.iltouriana, 8, 



Pinus Caribii-a, 18. 



Pinus cenibroides, 10, 



Pinus Chihuahuana, 14. 



Pinus clausa, 31. 



Pinus contorta, 26. 



Piiuis contorta, var. Murrayana, 27. 



Pinus Coulteri, 24. 



Pinus divaricata, 27. 



Piuus echinata, 20. 



Piuus edulis, 11. 



Piuus flexilis, 7. 



Piuus glabra, 28. 



Pinus heterophylla, 18, 



Pinus Laiubertiana, 5. 



Piuus mouophylla, 12. 



Pinus monticola, 5. 



Piuus muricata, 32. 



Piuus palustris, 17, 



Pinus ponderosa, 15. 



Pinus ponderosa, var. Jeffreyi, 16, 



Pinus ponderosa, var, scopuJorum, 



16. 

 Pinus pungens, 33. 

 Piuus quadrifolia, 10. 

 Pinus radiata, 21 . 

 Pinus resiuosa, 25. 

 Piuus rigida, 20. 

 Pinus Sabiniana. 23, 

 Pinus serotina, 20. 

 Pinus strobiformis, 6, 

 Pinus Strobus, 4, 

 Pinus Ta-da, 19. 

 Pinus Ton-eyana, 34, 

 Pinus Virginiaua, 30. 

 Pisonia, 313. 

 Pisonia lougifolia, 314. 

 Piscmia obtusata, 314. 

 Pitch Pine, 20, 24. 

 Pitch Pines, 12. 

 Planera, 296. 

 Planera aquatica, 297. 

 Plane-tree, 344. 



PLATANACE.S, 343. 



Plat anus, 344. 

 Platanus occidentalis, 344. 

 Platanus racemosa, 346. 

 Platanus Wrightii, 347. 

 Plum, 509. 

 Plum, Canada, 511. 

 Plum, Chickasaw, 515. 

 Plum, Cocoa, 532. 

 Plum, Darling, 659. 

 Plum, Downward, 744. 

 Plum, Guiana, 597. 

 Plum, Pigeon, 312. 

 Plum, Red, 511. 

 Plum, Wild, 512, 513, 517. 

 Plums, 510. 

 Poison Dogwood, 608. 

 Poison Sumach, 608, 

 Poison Wood, 603. 

 Polygon acEjE, 311, 

 polypetal;e, 315, 

 Pomette Bleue, 489, 

 Pond Apple, 328. 



Pond Pine. 20. 

 I'oplar, 152, 155. 

 Poi)lar, Yellow, 325. 

 PopuluR, 152. 

 PopuluH acuminata, 160. 

 Populus august ifolia, 150, 

 Populus bal.sauiil'cra, l."7. 

 Pojiulus balsamifera, var. 



candi- 



Populus deltoidea, 103. 

 Populus deltoidea, var, occiden- 

 talis, 1(54. 

 Populus Fremontii, 164. 

 Populus grandidentata, 155, 

 Populus lieterophylla, 156, 

 Populus Mexicana, 162. 

 Populus trenniloides, 154. 

 Populus trichocarpa, 161, 

 Populus Wislizeni, 165, 

 Port Orford Cedar, 84. 

 Post Oak, 264. 

 Prickle-cone Pine, 32. 

 Prickly Ash, 582. 

 Prince Wood, 800. 

 Prosopis, 547. 

 Prosopis juliflora, 548. 

 Prosopis juliflora, var. glandulosa, 



549. 

 Prosopis juliflora, var. velutina, 



550. 

 Prosopis pubescens, 550. 

 Primus, 509. 



Pruuus Alabamensis, 526. 

 Prunus Alleghanieusis, 516. 

 Pruuus Americana, 512. 

 Pruuus Americana, var. lanata, 



513. 

 Prunus angustifolia, 515. 

 Prunus australis, 527. 

 Prunus Caroliniana, 527. 

 Prunus demissa, 523. 

 Prunus emargmata, 522. 

 Pruuus emarginata, var. villosa, 



522. 

 Pruuus hortulana, 513. 

 Prunus hortulana, var. Mineri, 515, 

 Prunus ilicifolia, 530. 

 Prunus ilicifolia, var. integrifolia, 



531. 

 Prunus integrifolia, 531. 

 Prunus nigra, 511. 

 Pruuus Pennsylvanica, 521. 

 Prunus serotina, 524. 

 Prunus sphserocarpa, 529. 

 Prunus subcordata, 517. 

 Prunus tarda, 519. 

 Prunus umbellata, 518. 

 Prunus umbellata, var. injucunda, 



510. 

 Pru7U(s Virginiana, 523. 

 Pseudophoenix, 114. 

 Pseudophcenix Sargenti, 115. 

 Pseudotsuga, 52. 

 Pseudotsuga macrocarpa, 54. 

 Pseudotsuga mucronata, 53. 

 Ptelea, 587. 

 Ptelea trifoliata, 587. 

 Pumpkin Ash, 772. 

 Purple Haw, 658. 

 Pyrus Americana, var. decora, 357. 



Quaking 



Quercus, 



Quercus 



Quercus 



Quercus 



Quercus 



Quercus 



Quercus 



Quercus 



Quercus 



Asp, 154. 

 226. 



acuminata, 273. 

 agrifolia, 256. 

 alba, 259. 

 Arizonica, 280. 

 brevifolia, 250. 

 breviloba, 275. 

 Califomica, 239. 

 Catesbsei, 240. 



Quercus 

 Quercus 

 Quercus 



258. 

 Quercus 



folia, '. 

 Quer(;u8 

 Qiif/ciis 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 

 Quercus 



286. 

 Quercus 



286. 

 Quercus 



Chapmani, 266. 

 chrysolepis, 257. 

 chrysolepis, var. Palmeri, 



chrysolepis, var. vaccini- 



'.r,H. 



coccinea, 236. 

 (Irnxijltira, '225. 

 digitata, 242. 

 Douglasii, 277. 

 duinosa, 283. 



dumosa, var. revoluta, 284. 

 ellipsoidalis, 234. 

 Emoryi, 286. 

 Kngelmanni, 278. 

 Gambelii, 263. 

 Garryana, 262. 

 Georgiana, 233. 

 heterophylla, 248. 

 hypoleuca, 252. 

 inibricaria, 251. 

 laurifolia, 249. 

 Leana, 2.52, 

 lobata, 261. 

 lyrata, 268. 

 macrocarpa, 267. 

 Marilaudica, 245. 

 Michauxii, 271. 

 minor, 264. 

 myrtifolia, 255. 

 nana, 241. 

 nigra, 246. 

 oblongifolia, 279. 

 pagodsefolia, 244. 

 palustris, 232. 

 Phellos, 247. 

 platanoides, 269. 

 Prinus, 272. 

 reticulata, 282. 

 rubra, 230. 

 Rudkini, 248. 

 Texana, 235. 

 tomentella, 258. 

 Toumeyi, 281, , 



undulata, 276, 

 velutina, 237, 

 Virginiana, 284. 

 Virginiana, var. maritima, 



Virginiana, var. minima, 



Wislizeni, 253, 



Red Ash, 770, 



Red Bay, 330, 



Red Birch, 198, 205, 



Red Cedar, 75, 94, 95, 96. 



Red Elm, 293, 205, 



Red Fir, 53, 65, 66, 67. 



Red Haw, 447. 



Red Ironwood, 650, 



Red Maple, 630, 641. 



Red Mulberry, 303, 



Red Oak, 230, 235, 244. 



Red Pine, 25, 



Red Plum, 511, 



Red Spruce, 41, 



Red Stopper, 607. 



Redbud, 552, 553. 



Redwood, 68. 



Retama, 560. 



Re5Tiosia, 658. 



Reynosia latifolia, 659. 



Reynosia septentrionalis, 659. 



RHAMNACEiE, 657. 



Rhamnidium ferreum, 660. 



Rhamnus, 661. 



Rhamnus Caroliniana, 663. 



Rhamnus crocea, 602. 



Rhamnus crocea, var. insularis, 663. 



Rhamnus crocea, var. pilosa, 663. 



